SB20261111111 - OS Command Injection in Windows Sandbox
Published: November 11, 2026
Security Bulletin ID
SB20261111111
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) OS Command Injection (CVE-ID: CVE-2026-119906)
CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSSv4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to elevate privileges locally.
The vulnerability exists due to improper neutralization of special elements in Windows Sandbox when constructing operating system commands. A local user can supply specially crafted command elements to execute unintended operating system commands and elevate privileges locally.
Remediation
Install update from vendor's website.